Rubber Pad Forming Process Pdf

1 where several process steps like forming cutting or embossing can be carried out in one process step.
Rubber pad forming process pdf. Rubber pad forming is a sheet forming process in which one or more product related molds. The operations are 1 the guerin process and 2 hydro forming guerin process the guerin process uses a thick rubber pad or other flexible material to form sheet metal over a positive form block as in figure 20 28. At this stage the flexible punch rubber pad is fixed on the arm of a pressing. The rubber die is forced on the blank and deform the blank into require shape.
Rubber forming adopts a rubber pad contained in a rigid box in which one of the tools die or punch is replaced by the rubber pad. Up to 60 of all sheet metal parts in aircraft industry such as frames seat parts ribs windows and doors are fabricated using rubber pad forming processes. The rubber pads can have a general purpose shape like a membrane. The form block height is usually less than 100 mm 2 in the rubber pad forming process an aluminum blank is placed between a die and a rubber pad flexible punch which is held in a container to enclose the flexible punch figure 1a.
During the rubber pad forming process the punch deforms the blank and apply large pressure 100 mpa over the blank. The rubber pad is confined in a steel container.